diff --git "a/zinnnn37/202601/30 BOJ G5 \352\260\234\353\230\245\353\262\214\353\240\210.md" "b/zinnnn37/202601/30 BOJ G5 \352\260\234\353\230\245\353\262\214\353\240\210.md"
new file mode 100644
index 00000000..3fdf5d9c
--- /dev/null
+++ "b/zinnnn37/202601/30 BOJ G5 \352\260\234\353\230\245\353\262\214\353\240\210.md"	
@@ -0,0 +1,64 @@
+```java
+import java.io.*;
+import java.util.StringTokenizer;
+
+public class BJ_3020_개똥벌레 {
+
+    private static final BufferedReader  br = new BufferedReader(new InputStreamReader(System.in));
+    private static final BufferedWriter  bw = new BufferedWriter(new OutputStreamWriter(System.out));
+    private static       StringTokenizer st;
+
+    private static int N, H;
+    private static int[] stalactite, stalagmite, prefix1, prefix2;
+
+    public static void main(String[] args) throws IOException {
+        init();
+        sol();
+    }
+
+    private static void init() throws IOException {
+        st = new StringTokenizer(br.readLine());
+        N = Integer.parseInt(st.nextToken());
+        H = Integer.parseInt(st.nextToken());
+
+        stalactite = new int[H + 2];
+        stalagmite = new int[H + 2];
+        for (int i = 0; i < N / 2; i++) {
+            stalagmite[Integer.parseInt(br.readLine())] += 1;
+            stalactite[H - Integer.parseInt(br.readLine()) + 1] += 1;
+        }
+
+        prefix1 = new int[H + 2];
+        for (int i = 1; i <= H; i++) {
+            prefix1[i] += prefix1[i - 1] + stalactite[i];
+        }
+
+        prefix2 = new int[H + 2];
+        for (int i = H; i > 0; i--) {
+            prefix2[i] += prefix2[i + 1] + stalagmite[i];
+        }
+    }
+
+    private static void sol() throws IOException {
+        int cnt = 0;
+        int sum = 0;
+        int min = Integer.MAX_VALUE;
+        for (int i = 1; i <= H; i++) {
+            sum = prefix1[i] + prefix2[i];
+
+            if (sum == min) {
+                cnt++;
+            }
+            if (sum < min) {
+                min = sum;
+                cnt = 1;
+            }
+        }
+        bw.write(min + " " + cnt);
+        bw.flush();
+        bw.close();
+        br.close();
+    }
+
+}
+```